core/homeassistant/components/aquacell/coordinator.py

91 lines
3.1 KiB
Python

"""Coordinator to update data from Aquacell API."""
import asyncio
from datetime import datetime
import logging
from aioaquacell import (
AquacellApi,
AquacellApiException,
AuthenticationFailed,
Softener,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_EMAIL, CONF_PASSWORD
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryError
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from .const import (
CONF_REFRESH_TOKEN,
CONF_REFRESH_TOKEN_CREATION_TIME,
REFRESH_TOKEN_EXPIRY_TIME,
UPDATE_INTERVAL,
)
_LOGGER = logging.getLogger(__name__)
class AquacellCoordinator(DataUpdateCoordinator[dict[str, Softener]]):
"""My aquacell coordinator."""
config_entry: ConfigEntry
def __init__(self, hass: HomeAssistant, aquacell_api: AquacellApi) -> None:
"""Initialize coordinator."""
super().__init__(
hass,
_LOGGER,
name="Aquacell Coordinator",
update_interval=UPDATE_INTERVAL,
)
self.refresh_token = self.config_entry.data[CONF_REFRESH_TOKEN]
self.refresh_token_creation_time = self.config_entry.data[
CONF_REFRESH_TOKEN_CREATION_TIME
]
self.email = self.config_entry.data[CONF_EMAIL]
self.password = self.config_entry.data[CONF_PASSWORD]
self.aquacell_api = aquacell_api
async def _async_update_data(self) -> dict[str, Softener]:
"""Fetch data from API endpoint.
This is the place to pre-process the data to lookup tables
so entities can quickly look up their data.
"""
async with asyncio.timeout(30):
# Check if the refresh token is expired
expiry_time = (
self.refresh_token_creation_time
+ REFRESH_TOKEN_EXPIRY_TIME.total_seconds()
)
try:
if datetime.now().timestamp() >= expiry_time:
await self._reauthenticate()
else:
await self.aquacell_api.authenticate_refresh(self.refresh_token)
_LOGGER.debug("Logged in using: %s", self.refresh_token)
softeners = await self.aquacell_api.get_all_softeners()
except AuthenticationFailed as err:
raise ConfigEntryError from err
except (AquacellApiException, TimeoutError) as err:
raise UpdateFailed(f"Error communicating with API: {err}") from err
return {softener.dsn: softener for softener in softeners}
async def _reauthenticate(self) -> None:
_LOGGER.debug("Attempting to renew refresh token")
refresh_token = await self.aquacell_api.authenticate(self.email, self.password)
self.refresh_token = refresh_token
data = {
**self.config_entry.data,
CONF_REFRESH_TOKEN: self.refresh_token,
CONF_REFRESH_TOKEN_CREATION_TIME: datetime.now().timestamp(),
}
self.hass.config_entries.async_update_entry(self.config_entry, data=data)